Features 1、This laser head is suitable for laser engraving machine 2、High quality aluminum material, durable and long service life. 3、Available in two styles for your choice, convenient to use. 4、Complete accessories, easy to install and remove 5、Great workmanship, good accessories for laser engraving machine Specification Features: 1. This laser head is suitable for laser engraving machine 2. High quality aluminum material, durable and long service life. 3. Available in two styles for your choice, convenient to use. 4. Complete accessories, easy to install and remove 5. Great workmanship, good accessories for laser engraving machine Specification: Condition: 100% Brand new Laser Head Focusing Length: 50.8/101.6mm Lens Diameter: 20mm Optional Style: Type A: Red Single Laser Head, Type B: Red with Fixed Plate Size: Approx. 35.5 x 24 x 120mm / 1.4 x 0.9 x 4.7in Length: Approx.127-180mm / 5-7.1in Package List: 1 x Laser Head 1 x Accessory (including 1 x washer, 4 x screws) 1 x Fixed Plate(just in type B) Package List